263485464 has 64 divisors (see below), whose sum is σ = 756432000. Its totient is φ = 75640320.

The previous prime is 263485463. The next prime is 263485477. The reversal of 263485464 is 464584362.

263485464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263485463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21249 + ... + 31280.

It is an arithmetic number, because the mean of its divisors is an integer number (11819250).

Almost surely, 2^263485464 is an apocalyptic number.

263485464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

263485464 is an abundant number, since it is smaller than the sum of its proper divisors (492946536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263485464 is a wasteful number, since it uses less digits than its factorization.

263485464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52568 (or 52564 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

The square root of 263485464 is about 16232.2353358987. The cubic root of 263485464 is about 641.0898293196.

The spelling of 263485464 in words is "two hundred sixty-three million, four hundred eighty-five thousand, four hundred sixty-four".